Journal of Organometallic Chemistry p. 441 - 450 (1981)
Update date:2022-08-16
Topics:
Mattia, J.
Sikora, D. J.
Macomber D. W.
Rausch, M. D.
Hickey, J. P.
et al.
A reaction between diphenyltitanocene and phenyl(pentafluorophenyl)acetylene in refluxing benzene produces 1,1-bis(η5-cyclopentadienyl)-2-phenyl-3-(pentafluorophenyl)benzotitanole in 44percent yield.Degradation of the product with HCl/CHCl3 affords titanocene dichloride and Z-1,2-diphenyl-1-(pentafluorophenyl)ethene.Reaction of diphenyltitanocene and phenyl(pentafluorophenyl)acetylene in benzene under photolytic conditions results in the exclusive formation of 1,1-bis(η5-cyclopentadienyl)-2,5-diphenyl-3,4-di(pentafluorophenyl)titanole.The latter product can also be obtained in 77percent yield from a reaction between titanocene dicarbonyl and phenyl(pentafluorophenyl)acetylene in hexane solution.Application of 13C NMR spectroscopy to the structural elucidation of these and related metallacycles is discussed.
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